Fe-EDTA (A&A)

Na2EDTA•2H2O 866.7 mg
FeSO4•7H2O
or
Fe2(SO4)3•nH2O
2.28 mg
KOH 866.7 mg
Milli-Q Water ~100 mL
  • Dissolve KOH in 31 mL Milli-Q
  • Add Na2EDTA•2H2O
  • In separate container, dissolve FeSO4•7H2O or Fe2(SO4)3•nH2O in 60.67 mL Milli-Q
  • Mix both solutions together
  • Bubble filtered air through combined solutions until the color darkens (~2.5 hr)

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